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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension System (Front) - Service Information (1 Of 2) >> Front Upper Suspension Arm >> Removal [10/2023 - ] >> Procedure

Removal [10/2023 - ]: Procedure

  1. AIR SUSPENSION CONTROL PROHIBITED 

    Refer to PRECAUTION [10/2017 - ]

  2. REMOVE FRONT WHEEL 

    Refer to REMOVAL [10/2023 - ]

  3. DISCONNECT STEERING KNUCKLE ASSEMBLY LH 
    1. Support the front suspension lower arm assembly LH using a jack and wooden block.
      GTY821232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      *b Jack
    2. Remove the 2 clips and 2 nuts.
      GTY799926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install 2 SST (spacer B) onto the front upper No. 1 suspension arm assembly LH so that there is a space of approximately 1 mm (0.0394 in.) between the arm and spacers.
      • SST: 09960-20010 
        1. 09961-02060
      GTY807238Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Spacer B) *b 1 mm (0.0394 in.)
      *c Spacer *d Center Nut
      *e Body *f Claw
      *g Parallel *h String
      NOTE:
      • Make sure to install the spacers (SST spacer B) as the steering knuckle spacer may shift.
      • As SST may become damaged, make sure the space between the arm and spacers is not 1 mm (0.0394 in.) or less.
    4. Using SST, disconnect the steering knuckle assembly LH from the front upper No. 1 suspension arm assembly LH.
      • SST: 09960-20010 
        1. 09961-02010
      NOTE:
      • Apply molybdenum grease to the bolt threads and end of the SST bolt.
      • Do not damage the dust cover.
      • As the dust cover may be damaged, adjust SST with the center nut so that the body and claw are parallel.
      • Make sure to tie the string of SST to the vehicle to prevent SST from dropping.
    5. Install 2 SST (spacer B) onto the front upper No. 2 suspension arm assembly LH so that there is a space of approximately 1 mm (0.0394 in.) between the arm and spacers.
      • SST: 09960-20010 
        1. 09961-02060
      GTY820120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Spacer B) *b 1 mm (0.0394 in.)
      *c Spacer *d Center Nut
      *e Body *f Claw
      *g Parallel *h String
      NOTE:
      • Make sure to install the spacers (SST spacer B) as the steering knuckle spacer may shift.
      • As SST may become damaged, make sure the space between the arm and spacers is not 1 mm (0.0394 in.) or less.
    6. Using SST, disconnect the steering knuckle assembly LH from the front upper No. 2 suspension arm assembly LH.
      • SST: 09960-20010 
        1. 09961-02010
      NOTE:
      • Apply molybdenum grease to the bolt threads and end of the SST bolt.
      • Do not damage the dust cover.
      • As the dust cover may be damaged, adjust SST with the center nut so that the body and claw are parallel.
      • Make sure to tie the string of SST to the vehicle to prevent SST from dropping.
  4. REMOVE FRONT UPPER NO. 1 ARM BRACKET LH 
    1. Remove the 3 bolts, front upper No. 1 arm bracket LH and front upper No. 1 suspension arm assembly LH.
      GTY799984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FRONT UPPER NO. 2 ARM BRACKET LH 
    1. Remove the 3 bolts, front upper No. 2 arm bracket LH and front upper No. 2 suspension arm assembly LH.
      GTY799985Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE FRONT UPPER NO. 1 SUSPENSION ARM ASSEMBLY LH 
    1. Remove the bolt, nut and front upper No. 1 suspension arm assembly LH from the front upper No. 1 arm bracket LH.
      GTY799982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE FRONT UPPER NO. 2 SUSPENSION ARM ASSEMBLY LH 
    1. Remove the bolt, nut and front upper No. 2 suspension arm assembly LH from the front upper No. 2 arm bracket LH.
      GTY799989Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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